ABSTRACT: Alcohol abuse and other substance use disorders are major, often underdiagnosed health problems for women, regardless of age, race, ethnicity, and socioeconomic status, and have resulting high costs for individuals and society. The Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition, defines substance use disorder as a pathologic pattern of behaviors related to the use of any of 10 separate classes of substances, including alcohol and licit and illicit substances. In order to optimize care of patients with substance use disorder, obstetrician–gynecologists are encou...